Goodrich, Michael T., author
John Wiley & Sons, 2001
Buku Teks SO
Lafore, Robert, author
SAMS, 2003
Buku Teks
Goodrich, Michael T., author
John Wiley & Sons, 2011
Buku Teks
Rowe, Glenn W., author
Prentice-Hall, 1997
Buku Teks
Carrano, Frank M., author
Pearson, 2005
Buku Teks